Volcanoes

Young children understand that volcanoes are mountains formed by hot forces inside the Earth, and that eruptions and lava can change landforms

2026年7月10日 · こども図鑑
2026年7月10日 · こども図鑑
A volcano is one kind of mountain on Earth.
Some volcanoes have a hollow at the top.
Hot things from inside the Earth can sometimes come out.

💬 What Kind of Mountain Is a Volcano?

A volcano is one kind of mountain on Earth. Some volcanoes have a hollow at the top. Hot things from inside the Earth can sometimes come out.

🤔 What shape does the top of the volcano look like?

Inside the Earth, there are very hot places.
There is rock there that has melted into a gooey liquid.
This is called magma.

💬 There Is Magma Inside the Earth

Inside the Earth, there are very hot places. There is rock there that has melted into a gooey liquid. This is called magma.

Sometimes, magma comes out of a volcano.
Magma that comes outside is called lava.
Lava is very hot, so we do not go near it.

💬 When a Volcano Erupts, Lava Comes Out

Sometimes, magma comes out of a volcano. Magma that comes outside is called lava. Lava is very hot, so we do not go near it.

🤔 What was the name of the red thing coming out of the volcano?

When lava cools, it becomes hard rock.
New ground can also form around a volcano.
Volcanoes slowly change the shape of the Earth.

💬 Volcanoes Change the Shape of the Earth

When lava cools, it becomes hard rock. New ground can also form around a volcano. Volcanoes slowly change the shape of the Earth.